[PATCH] clk: qcom: Consolidate common probe code

Mike Turquette mturquette at linaro.org
Mon Apr 28 23:26:56 PDT 2014


Quoting Stephen Boyd (2014-03-21 17:59:37)
> Most of the probe code is the same between all the different
> clock controllers. Consolidate the code into a common.c file.
> This makes changes to the common probe parts easier and reduces
> chances for bugs.
> 
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>

Taken into clk-next.

Regards,
Mike

> ---
>  drivers/clk/qcom/Makefile       |  1 +
>  drivers/clk/qcom/common.c       | 99 +++++++++++++++++++++++++++++++++++++++++
>  drivers/clk/qcom/common.h       | 34 ++++++++++++++
>  drivers/clk/qcom/gcc-msm8660.c  | 87 +++++-------------------------------
>  drivers/clk/qcom/gcc-msm8960.c  | 77 +++++---------------------------
>  drivers/clk/qcom/gcc-msm8974.c  | 77 +++++---------------------------
>  drivers/clk/qcom/mmcc-msm8960.c | 78 +++++---------------------------
>  drivers/clk/qcom/mmcc-msm8974.c | 80 +++++++--------------------------
>  8 files changed, 196 insertions(+), 337 deletions(-)
>  create mode 100644 drivers/clk/qcom/common.c
>  create mode 100644 drivers/clk/qcom/common.h
> 
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index f60db2ef1aee..689e05bf4f95 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -1,5 +1,6 @@
>  obj-$(CONFIG_COMMON_CLK_QCOM) += clk-qcom.o
>  
> +clk-qcom-y += common.o
>  clk-qcom-y += clk-regmap.o
>  clk-qcom-y += clk-pll.o
>  clk-qcom-y += clk-rcg.o
> diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
> new file mode 100644
> index 000000000000..86b45fba5f90
> --- /dev/null
> +++ b/drivers/clk/qcom/common.c
> @@ -0,0 +1,99 @@
> +/*
> + * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <linux/export.h>
> +#include <linux/regmap.h>
> +#include <linux/platform_device.h>
> +#include <linux/clk-provider.h>
> +#include <linux/reset-controller.h>
> +
> +#include "common.h"
> +#include "clk-regmap.h"
> +#include "reset.h"
> +
> +struct qcom_cc {
> +       struct qcom_reset_controller reset;
> +       struct clk_onecell_data data;
> +       struct clk *clks[];
> +};
> +
> +int qcom_cc_probe(struct platform_device *pdev, const struct qcom_cc_desc *desc)
> +{
> +       void __iomem *base;
> +       struct resource *res;
> +       int i, ret;
> +       struct device *dev = &pdev->dev;
> +       struct clk *clk;
> +       struct clk_onecell_data *data;
> +       struct clk **clks;
> +       struct regmap *regmap;
> +       struct qcom_reset_controller *reset;
> +       struct qcom_cc *cc;
> +       size_t num_clks = desc->num_clks;
> +       struct clk_regmap **rclks = desc->clks;
> +
> +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +       base = devm_ioremap_resource(dev, res);
> +       if (IS_ERR(base))
> +               return PTR_ERR(base);
> +
> +       regmap = devm_regmap_init_mmio(dev, base, desc->config);
> +       if (IS_ERR(regmap))
> +               return PTR_ERR(regmap);
> +
> +       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> +                         GFP_KERNEL);
> +       if (!cc)
> +               return -ENOMEM;
> +
> +       clks = cc->clks;
> +       data = &cc->data;
> +       data->clks = clks;
> +       data->clk_num = num_clks;
> +
> +       for (i = 0; i < num_clks; i++) {
> +               if (!rclks[i])
> +                       continue;
> +               clk = devm_clk_register_regmap(dev, rclks[i]);
> +               if (IS_ERR(clk))
> +                       return PTR_ERR(clk);
> +               clks[i] = clk;
> +       }
> +
> +       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> +       if (ret)
> +               return ret;
> +
> +       reset = &cc->reset;
> +       reset->rcdev.of_node = dev->of_node;
> +       reset->rcdev.ops = &qcom_reset_ops;
> +       reset->rcdev.owner = dev->driver->owner;
> +       reset->rcdev.nr_resets = desc->num_resets;
> +       reset->regmap = regmap;
> +       reset->reset_map = desc->resets;
> +       platform_set_drvdata(pdev, &reset->rcdev);
> +
> +       ret = reset_controller_register(&reset->rcdev);
> +       if (ret)
> +               of_clk_del_provider(dev->of_node);
> +
> +       return ret;
> +}
> +EXPORT_SYMBOL_GPL(qcom_cc_probe);
> +
> +void qcom_cc_remove(struct platform_device *pdev)
> +{
> +       of_clk_del_provider(pdev->dev.of_node);
> +       reset_controller_unregister(platform_get_drvdata(pdev));
> +}
> +EXPORT_SYMBOL_GPL(qcom_cc_remove);
> diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h
> new file mode 100644
> index 000000000000..2c3cfc860348
> --- /dev/null
> +++ b/drivers/clk/qcom/common.h
> @@ -0,0 +1,34 @@
> +/*
> + * Copyright (c) 2014, The Linux Foundation. All rights reserved.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */
> +#ifndef __QCOM_CLK_COMMON_H__
> +#define __QCOM_CLK_COMMON_H__
> +
> +struct platform_device;
> +struct regmap_config;
> +struct clk_regmap;
> +struct qcom_reset_map;
> +
> +struct qcom_cc_desc {
> +       const struct regmap_config *config;
> +       struct clk_regmap **clks;
> +       size_t num_clks;
> +       const struct qcom_reset_map *resets;
> +       size_t num_resets;
> +};
> +
> +extern int qcom_cc_probe(struct platform_device *pdev,
> +                        const struct qcom_cc_desc *desc);
> +
> +extern void qcom_cc_remove(struct platform_device *pdev);
> +
> +#endif
> diff --git a/drivers/clk/qcom/gcc-msm8660.c b/drivers/clk/qcom/gcc-msm8660.c
> index bc0b7f1fcfbe..44bc6fa64d78 100644
> --- a/drivers/clk/qcom/gcc-msm8660.c
> +++ b/drivers/clk/qcom/gcc-msm8660.c
> @@ -25,6 +25,7 @@
>  #include <dt-bindings/clock/qcom,gcc-msm8660.h>
>  #include <dt-bindings/reset/qcom,gcc-msm8660.h>
>  
> +#include "common.h"
>  #include "clk-regmap.h"
>  #include "clk-pll.h"
>  #include "clk-rcg.h"
> @@ -2701,94 +2702,28 @@ static const struct regmap_config gcc_msm8660_regmap_config = {
>         .fast_io        = true,
>  };
>  
> +static const struct qcom_cc_desc gcc_msm8660_desc = {
> +       .config = &gcc_msm8660_regmap_config,
> +       .clks = gcc_msm8660_clks,
> +       .num_clks = ARRAY_SIZE(gcc_msm8660_clks),
> +       .resets = gcc_msm8660_resets,
> +       .num_resets = ARRAY_SIZE(gcc_msm8660_resets),
> +};
> +
>  static const struct of_device_id gcc_msm8660_match_table[] = {
>         { .compatible = "qcom,gcc-msm8660" },
>         { }
>  };
>  MODULE_DEVICE_TABLE(of, gcc_msm8660_match_table);
>  
> -struct qcom_cc {
> -       struct qcom_reset_controller reset;
> -       struct clk_onecell_data data;
> -       struct clk *clks[];
> -};
> -
>  static int gcc_msm8660_probe(struct platform_device *pdev)
>  {
> -       void __iomem *base;
> -       struct resource *res;
> -       int i, ret;
> -       struct device *dev = &pdev->dev;
> -       struct clk *clk;
> -       struct clk_onecell_data *data;
> -       struct clk **clks;
> -       struct regmap *regmap;
> -       size_t num_clks;
> -       struct qcom_reset_controller *reset;
> -       struct qcom_cc *cc;
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       base = devm_ioremap_resource(dev, res);
> -       if (IS_ERR(base))
> -               return PTR_ERR(base);
> -
> -       regmap = devm_regmap_init_mmio(dev, base, &gcc_msm8660_regmap_config);
> -       if (IS_ERR(regmap))
> -               return PTR_ERR(regmap);
> -
> -       num_clks = ARRAY_SIZE(gcc_msm8660_clks);
> -       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> -                         GFP_KERNEL);
> -       if (!cc)
> -               return -ENOMEM;
> -
> -       clks = cc->clks;
> -       data = &cc->data;
> -       data->clks = clks;
> -       data->clk_num = num_clks;
> -
> -       /* Temporary until RPM clocks supported */
> -       clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 19200000);
> -       if (IS_ERR(clk))
> -               return PTR_ERR(clk);
> -
> -       clk = clk_register_fixed_rate(dev, "pxo", NULL, CLK_IS_ROOT, 27000000);
> -       if (IS_ERR(clk))
> -               return PTR_ERR(clk);
> -
> -       for (i = 0; i < num_clks; i++) {
> -               if (!gcc_msm8660_clks[i])
> -                       continue;
> -               clk = devm_clk_register_regmap(dev, gcc_msm8660_clks[i]);
> -               if (IS_ERR(clk))
> -                       return PTR_ERR(clk);
> -               clks[i] = clk;
> -       }
> -
> -       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> -       if (ret)
> -               return ret;
> -
> -       reset = &cc->reset;
> -       reset->rcdev.of_node = dev->of_node;
> -       reset->rcdev.ops = &qcom_reset_ops,
> -       reset->rcdev.owner = THIS_MODULE,
> -       reset->rcdev.nr_resets = ARRAY_SIZE(gcc_msm8660_resets),
> -       reset->regmap = regmap;
> -       reset->reset_map = gcc_msm8660_resets,
> -       platform_set_drvdata(pdev, &reset->rcdev);
> -
> -       ret = reset_controller_register(&reset->rcdev);
> -       if (ret)
> -               of_clk_del_provider(dev->of_node);
> -
> -       return ret;
> +       return qcom_cc_probe(pdev, &gcc_msm8660_desc);
>  }
>  
>  static int gcc_msm8660_remove(struct platform_device *pdev)
>  {
> -       of_clk_del_provider(pdev->dev.of_node);
> -       reset_controller_unregister(platform_get_drvdata(pdev));
> +       qcom_cc_remove(pdev);
>         return 0;
>  }
>  
> diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
> index fd446ab2fd98..633b019891bb 100644
> --- a/drivers/clk/qcom/gcc-msm8960.c
> +++ b/drivers/clk/qcom/gcc-msm8960.c
> @@ -25,6 +25,7 @@
>  #include <dt-bindings/clock/qcom,gcc-msm8960.h>
>  #include <dt-bindings/reset/qcom,gcc-msm8960.h>
>  
> +#include "common.h"
>  #include "clk-regmap.h"
>  #include "clk-pll.h"
>  #include "clk-rcg.h"
> @@ -2875,51 +2876,24 @@ static const struct regmap_config gcc_msm8960_regmap_config = {
>         .fast_io        = true,
>  };
>  
> +static const struct qcom_cc_desc gcc_msm8960_desc = {
> +       .config = &gcc_msm8960_regmap_config,
> +       .clks = gcc_msm8960_clks,
> +       .num_clks = ARRAY_SIZE(gcc_msm8960_clks),
> +       .resets = gcc_msm8960_resets,
> +       .num_resets = ARRAY_SIZE(gcc_msm8960_resets),
> +};
> +
>  static const struct of_device_id gcc_msm8960_match_table[] = {
>         { .compatible = "qcom,gcc-msm8960" },
>         { }
>  };
>  MODULE_DEVICE_TABLE(of, gcc_msm8960_match_table);
>  
> -struct qcom_cc {
> -       struct qcom_reset_controller reset;
> -       struct clk_onecell_data data;
> -       struct clk *clks[];
> -};
> -
>  static int gcc_msm8960_probe(struct platform_device *pdev)
>  {
> -       void __iomem *base;
> -       struct resource *res;
> -       int i, ret;
> -       struct device *dev = &pdev->dev;
>         struct clk *clk;
> -       struct clk_onecell_data *data;
> -       struct clk **clks;
> -       struct regmap *regmap;
> -       size_t num_clks;
> -       struct qcom_reset_controller *reset;
> -       struct qcom_cc *cc;
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       base = devm_ioremap_resource(dev, res);
> -       if (IS_ERR(base))
> -               return PTR_ERR(base);
> -
> -       regmap = devm_regmap_init_mmio(dev, base, &gcc_msm8960_regmap_config);
> -       if (IS_ERR(regmap))
> -               return PTR_ERR(regmap);
> -
> -       num_clks = ARRAY_SIZE(gcc_msm8960_clks);
> -       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> -                         GFP_KERNEL);
> -       if (!cc)
> -               return -ENOMEM;
> -
> -       clks = cc->clks;
> -       data = &cc->data;
> -       data->clks = clks;
> -       data->clk_num = num_clks;
> +       struct device *dev = &pdev->dev;
>  
>         /* Temporary until RPM clocks supported */
>         clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 19200000);
> @@ -2930,39 +2904,12 @@ static int gcc_msm8960_probe(struct platform_device *pdev)
>         if (IS_ERR(clk))
>                 return PTR_ERR(clk);
>  
> -       for (i = 0; i < num_clks; i++) {
> -               if (!gcc_msm8960_clks[i])
> -                       continue;
> -               clk = devm_clk_register_regmap(dev, gcc_msm8960_clks[i]);
> -               if (IS_ERR(clk))
> -                       return PTR_ERR(clk);
> -               clks[i] = clk;
> -       }
> -
> -       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> -       if (ret)
> -               return ret;
> -
> -       reset = &cc->reset;
> -       reset->rcdev.of_node = dev->of_node;
> -       reset->rcdev.ops = &qcom_reset_ops,
> -       reset->rcdev.owner = THIS_MODULE,
> -       reset->rcdev.nr_resets = ARRAY_SIZE(gcc_msm8960_resets),
> -       reset->regmap = regmap;
> -       reset->reset_map = gcc_msm8960_resets,
> -       platform_set_drvdata(pdev, &reset->rcdev);
> -
> -       ret = reset_controller_register(&reset->rcdev);
> -       if (ret)
> -               of_clk_del_provider(dev->of_node);
> -
> -       return ret;
> +       return qcom_cc_probe(pdev, &gcc_msm8960_desc);
>  }
>  
>  static int gcc_msm8960_remove(struct platform_device *pdev)
>  {
> -       of_clk_del_provider(pdev->dev.of_node);
> -       reset_controller_unregister(platform_get_drvdata(pdev));
> +       qcom_cc_remove(pdev);
>         return 0;
>  }
>  
> diff --git a/drivers/clk/qcom/gcc-msm8974.c b/drivers/clk/qcom/gcc-msm8974.c
> index 51d457e2b959..0d1edc1e9b31 100644
> --- a/drivers/clk/qcom/gcc-msm8974.c
> +++ b/drivers/clk/qcom/gcc-msm8974.c
> @@ -25,6 +25,7 @@
>  #include <dt-bindings/clock/qcom,gcc-msm8974.h>
>  #include <dt-bindings/reset/qcom,gcc-msm8974.h>
>  
> +#include "common.h"
>  #include "clk-regmap.h"
>  #include "clk-pll.h"
>  #include "clk-rcg.h"
> @@ -2574,51 +2575,24 @@ static const struct regmap_config gcc_msm8974_regmap_config = {
>         .fast_io        = true,
>  };
>  
> +static const struct qcom_cc_desc gcc_msm8974_desc = {
> +       .config = &gcc_msm8974_regmap_config,
> +       .clks = gcc_msm8974_clocks,
> +       .num_clks = ARRAY_SIZE(gcc_msm8974_clocks),
> +       .resets = gcc_msm8974_resets,
> +       .num_resets = ARRAY_SIZE(gcc_msm8974_resets),
> +};
> +
>  static const struct of_device_id gcc_msm8974_match_table[] = {
>         { .compatible = "qcom,gcc-msm8974" },
>         { }
>  };
>  MODULE_DEVICE_TABLE(of, gcc_msm8974_match_table);
>  
> -struct qcom_cc {
> -       struct qcom_reset_controller reset;
> -       struct clk_onecell_data data;
> -       struct clk *clks[];
> -};
> -
>  static int gcc_msm8974_probe(struct platform_device *pdev)
>  {
> -       void __iomem *base;
> -       struct resource *res;
> -       int i, ret;
> -       struct device *dev = &pdev->dev;
>         struct clk *clk;
> -       struct clk_onecell_data *data;
> -       struct clk **clks;
> -       struct regmap *regmap;
> -       size_t num_clks;
> -       struct qcom_reset_controller *reset;
> -       struct qcom_cc *cc;
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       base = devm_ioremap_resource(dev, res);
> -       if (IS_ERR(base))
> -               return PTR_ERR(base);
> -
> -       regmap = devm_regmap_init_mmio(dev, base, &gcc_msm8974_regmap_config);
> -       if (IS_ERR(regmap))
> -               return PTR_ERR(regmap);
> -
> -       num_clks = ARRAY_SIZE(gcc_msm8974_clocks);
> -       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> -                         GFP_KERNEL);
> -       if (!cc)
> -               return -ENOMEM;
> -
> -       clks = cc->clks;
> -       data = &cc->data;
> -       data->clks = clks;
> -       data->clk_num = num_clks;
> +       struct device *dev = &pdev->dev;
>  
>         /* Temporary until RPM clocks supported */
>         clk = clk_register_fixed_rate(dev, "xo", NULL, CLK_IS_ROOT, 19200000);
> @@ -2631,39 +2605,12 @@ static int gcc_msm8974_probe(struct platform_device *pdev)
>         if (IS_ERR(clk))
>                 return PTR_ERR(clk);
>  
> -       for (i = 0; i < num_clks; i++) {
> -               if (!gcc_msm8974_clocks[i])
> -                       continue;
> -               clk = devm_clk_register_regmap(dev, gcc_msm8974_clocks[i]);
> -               if (IS_ERR(clk))
> -                       return PTR_ERR(clk);
> -               clks[i] = clk;
> -       }
> -
> -       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> -       if (ret)
> -               return ret;
> -
> -       reset = &cc->reset;
> -       reset->rcdev.of_node = dev->of_node;
> -       reset->rcdev.ops = &qcom_reset_ops,
> -       reset->rcdev.owner = THIS_MODULE,
> -       reset->rcdev.nr_resets = ARRAY_SIZE(gcc_msm8974_resets),
> -       reset->regmap = regmap;
> -       reset->reset_map = gcc_msm8974_resets,
> -       platform_set_drvdata(pdev, &reset->rcdev);
> -
> -       ret = reset_controller_register(&reset->rcdev);
> -       if (ret)
> -               of_clk_del_provider(dev->of_node);
> -
> -       return ret;
> +       return qcom_cc_probe(pdev, &gcc_msm8974_desc);
>  }
>  
>  static int gcc_msm8974_remove(struct platform_device *pdev)
>  {
> -       of_clk_del_provider(pdev->dev.of_node);
> -       reset_controller_unregister(platform_get_drvdata(pdev));
> +       qcom_cc_remove(pdev);
>         return 0;
>  }
>  
> diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c
> index f9b59c7e48e9..12f3c0b64fcd 100644
> --- a/drivers/clk/qcom/mmcc-msm8960.c
> +++ b/drivers/clk/qcom/mmcc-msm8960.c
> @@ -26,6 +26,7 @@
>  #include <dt-bindings/clock/qcom,mmcc-msm8960.h>
>  #include <dt-bindings/reset/qcom,mmcc-msm8960.h>
>  
> +#include "common.h"
>  #include "clk-regmap.h"
>  #include "clk-pll.h"
>  #include "clk-rcg.h"
> @@ -2222,85 +2223,28 @@ static const struct regmap_config mmcc_msm8960_regmap_config = {
>         .fast_io        = true,
>  };
>  
> +static const struct qcom_cc_desc mmcc_msm8960_desc = {
> +       .config = &mmcc_msm8960_regmap_config,
> +       .clks = mmcc_msm8960_clks,
> +       .num_clks = ARRAY_SIZE(mmcc_msm8960_clks),
> +       .resets = mmcc_msm8960_resets,
> +       .num_resets = ARRAY_SIZE(mmcc_msm8960_resets),
> +};
> +
>  static const struct of_device_id mmcc_msm8960_match_table[] = {
>         { .compatible = "qcom,mmcc-msm8960" },
>         { }
>  };
>  MODULE_DEVICE_TABLE(of, mmcc_msm8960_match_table);
>  
> -struct qcom_cc {
> -       struct qcom_reset_controller reset;
> -       struct clk_onecell_data data;
> -       struct clk *clks[];
> -};
> -
>  static int mmcc_msm8960_probe(struct platform_device *pdev)
>  {
> -       void __iomem *base;
> -       struct resource *res;
> -       int i, ret;
> -       struct device *dev = &pdev->dev;
> -       struct clk *clk;
> -       struct clk_onecell_data *data;
> -       struct clk **clks;
> -       struct regmap *regmap;
> -       size_t num_clks;
> -       struct qcom_reset_controller *reset;
> -       struct qcom_cc *cc;
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       base = devm_ioremap_resource(dev, res);
> -       if (IS_ERR(base))
> -               return PTR_ERR(base);
> -
> -       regmap = devm_regmap_init_mmio(dev, base, &mmcc_msm8960_regmap_config);
> -       if (IS_ERR(regmap))
> -               return PTR_ERR(regmap);
> -
> -       num_clks = ARRAY_SIZE(mmcc_msm8960_clks);
> -       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> -                         GFP_KERNEL);
> -       if (!cc)
> -               return -ENOMEM;
> -
> -       clks = cc->clks;
> -       data = &cc->data;
> -       data->clks = clks;
> -       data->clk_num = num_clks;
> -
> -       for (i = 0; i < num_clks; i++) {
> -               if (!mmcc_msm8960_clks[i])
> -                       continue;
> -               clk = devm_clk_register_regmap(dev, mmcc_msm8960_clks[i]);
> -               if (IS_ERR(clk))
> -                       return PTR_ERR(clk);
> -               clks[i] = clk;
> -       }
> -
> -       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> -       if (ret)
> -               return ret;
> -
> -       reset = &cc->reset;
> -       reset->rcdev.of_node = dev->of_node;
> -       reset->rcdev.ops = &qcom_reset_ops,
> -       reset->rcdev.owner = THIS_MODULE,
> -       reset->rcdev.nr_resets = ARRAY_SIZE(mmcc_msm8960_resets),
> -       reset->regmap = regmap;
> -       reset->reset_map = mmcc_msm8960_resets,
> -       platform_set_drvdata(pdev, &reset->rcdev);
> -
> -       ret = reset_controller_register(&reset->rcdev);
> -       if (ret)
> -               of_clk_del_provider(dev->of_node);
> -
> -       return ret;
> +       return qcom_cc_probe(pdev, &mmcc_msm8960_desc);
>  }
>  
>  static int mmcc_msm8960_remove(struct platform_device *pdev)
>  {
> -       of_clk_del_provider(pdev->dev.of_node);
> -       reset_controller_unregister(platform_get_drvdata(pdev));
> +       qcom_cc_remove(pdev);
>         return 0;
>  }
>  
> diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
> index c95774514b81..60b7c24a5cd6 100644
> --- a/drivers/clk/qcom/mmcc-msm8974.c
> +++ b/drivers/clk/qcom/mmcc-msm8974.c
> @@ -25,6 +25,7 @@
>  #include <dt-bindings/clock/qcom,mmcc-msm8974.h>
>  #include <dt-bindings/reset/qcom,mmcc-msm8974.h>
>  
> +#include "common.h"
>  #include "clk-regmap.h"
>  #include "clk-pll.h"
>  #include "clk-rcg.h"
> @@ -2524,88 +2525,39 @@ static const struct regmap_config mmcc_msm8974_regmap_config = {
>         .fast_io        = true,
>  };
>  
> +static const struct qcom_cc_desc mmcc_msm8974_desc = {
> +       .config = &mmcc_msm8974_regmap_config,
> +       .clks = mmcc_msm8974_clocks,
> +       .num_clks = ARRAY_SIZE(mmcc_msm8974_clocks),
> +       .resets = mmcc_msm8974_resets,
> +       .num_resets = ARRAY_SIZE(mmcc_msm8974_resets),
> +};
> +
>  static const struct of_device_id mmcc_msm8974_match_table[] = {
>         { .compatible = "qcom,mmcc-msm8974" },
>         { }
>  };
>  MODULE_DEVICE_TABLE(of, mmcc_msm8974_match_table);
>  
> -struct qcom_cc {
> -       struct qcom_reset_controller reset;
> -       struct clk_onecell_data data;
> -       struct clk *clks[];
> -};
> -
>  static int mmcc_msm8974_probe(struct platform_device *pdev)
>  {
> -       void __iomem *base;
> -       struct resource *res;
> -       int i, ret;
> -       struct device *dev = &pdev->dev;
> -       struct clk *clk;
> -       struct clk_onecell_data *data;
> -       struct clk **clks;
> +       int ret;
>         struct regmap *regmap;
> -       size_t num_clks;
> -       struct qcom_reset_controller *reset;
> -       struct qcom_cc *cc;
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       base = devm_ioremap_resource(dev, res);
> -       if (IS_ERR(base))
> -               return PTR_ERR(base);
> -
> -       regmap = devm_regmap_init_mmio(dev, base, &mmcc_msm8974_regmap_config);
> -       if (IS_ERR(regmap))
> -               return PTR_ERR(regmap);
> -
> -       num_clks = ARRAY_SIZE(mmcc_msm8974_clocks);
> -       cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
> -                         GFP_KERNEL);
> -       if (!cc)
> -               return -ENOMEM;
> -
> -       clks = cc->clks;
> -       data = &cc->data;
> -       data->clks = clks;
> -       data->clk_num = num_clks;
> -
> -       clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
> -       clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);
>  
> -       for (i = 0; i < num_clks; i++) {
> -               if (!mmcc_msm8974_clocks[i])
> -                       continue;
> -               clk = devm_clk_register_regmap(dev, mmcc_msm8974_clocks[i]);
> -               if (IS_ERR(clk))
> -                       return PTR_ERR(clk);
> -               clks[i] = clk;
> -       }
> -
> -       ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
> +       ret = qcom_cc_probe(pdev, &mmcc_msm8974_desc);
>         if (ret)
>                 return ret;
>  
> -       reset = &cc->reset;
> -       reset->rcdev.of_node = dev->of_node;
> -       reset->rcdev.ops = &qcom_reset_ops,
> -       reset->rcdev.owner = THIS_MODULE,
> -       reset->rcdev.nr_resets = ARRAY_SIZE(mmcc_msm8974_resets),
> -       reset->regmap = regmap;
> -       reset->reset_map = mmcc_msm8974_resets,
> -       platform_set_drvdata(pdev, &reset->rcdev);
> -
> -       ret = reset_controller_register(&reset->rcdev);
> -       if (ret)
> -               of_clk_del_provider(dev->of_node);
> +       regmap = dev_get_regmap(&pdev->dev, NULL);
> +       clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
> +       clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);
>  
> -       return ret;
> +       return 0;
>  }
>  
>  static int mmcc_msm8974_remove(struct platform_device *pdev)
>  {
> -       of_clk_del_provider(pdev->dev.of_node);
> -       reset_controller_unregister(platform_get_drvdata(pdev));
> +       qcom_cc_remove(pdev);
>         return 0;
>  }
>  
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
> 



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